<template>
  <div class="container model-list" v-loading="loading">

    <div class="handle-box">
      <el-input v-model="query.name" placeholder="模型名称" class="handle-input" />

      <el-button :icon="Search" @click="fetchData">搜索</el-button>
      <el-button type="primary" :icon="Plus" @click="add">新增</el-button>
    </div>

    <el-row>
      <el-table :data="items" :row-key="row => row.id" table-layout="auto">
        <el-table-column type="selection" width="38"></el-table-column>
        <el-table-column prop="name" label="模型名称">
          <template #default="scope">
            <span class="sort" :data-id="scope.row.id">
              <i class="iconfont icon-drag"></i>
              {{ scope.row.name }}
            </span>
          </template>
        </el-table-column>
        <el-table-column prop="value" label="模型值">
          <template #default="scope">
            <span>{{ scope.row.value }}</span>
            <el-icon class="copy-model" :data-clipboard-text="scope.row.value">
              <DocumentCopy/>
            </el-icon>
          </template>
        </el-table-column>
        <el-table-column prop="power" label="费率"/>
        <el-table-column prop="max_tokens" label="最大响应长度"/>
        <el-table-column prop="max_context" label="最大上下文长度"/>
        <el-table-column prop="temperature" label="创意度"/>
        <el-table-column prop="enabled" label="启用状态">
          <template #default="scope">
            <el-switch v-model="scope.row['enabled']" @change="modelSet('enabled',scope.row)"/>
          </template>
        </el-table-column>
        <el-table-column prop="enabled" label="开放状态">
          <template #default="scope">
            <el-switch v-model="scope.row['open']" @change="modelSet('open',scope.row)"/>
          </template>
        </el-table-column>

        <el-table-column prop="key_name" label="绑定API-KEY"/>
        <el-table-column label="操作" width="180">
          <template #default="scope">
            <el-button size="small" type="primary" @click="edit(scope.row)">编辑</el-button>
            <el-popconfirm title="确定要删除当前记录吗?" @confirm="remove(scope.row)" :width="200">
              <template #reference>
                <el-button size="small" type="danger">删除</el-button>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
    </el-row>

    <el-dialog
        v-model="showDialog"
        :title="title"
        :close-on-click-modal="false"
        style="width: 90%; max-width: 600px;"
    >
      <el-form :model="item" label-width="120px" ref="formRef" :rules="rules">
        <el-form-item label="模型名称：" prop="name">
          <el-input v-model="item.name" autocomplete="off"/>
        </el-form-item>

        <el-form-item label="模型值：" prop="value">
          <el-input v-model="item.value" autocomplete="off"/>
        </el-form-item>

        <el-form-item label="消耗算力：" prop="weight">
          <template #default>
            <div class="tip-input">
              <el-input-number :min="0" v-model="item.power" autocomplete="off"/>
              <div class="info">
                <el-tooltip
                    class="box-item"
                    effect="dark"
                    content="每次对话扣减多少单位算力"
                    placement="right"
                >
                  <el-icon>
                    <InfoFilled/>
                  </el-icon>
                </el-tooltip>
              </div>
            </div>
          </template>
        </el-form-item>

        <el-form-item label="最长响应：" prop="max_tokens">
          <el-input v-model.number="item.max_tokens" autocomplete="off" placeholder="模型最大响应长度"/>
        </el-form-item>

        <el-form-item label="最大上下文：" prop="max_context">
          <div class="tip-input">
            <el-input v-model.number="item.max_context" autocomplete="off" placeholder="模型最大上下文长度"/>
            <div class="info">
              <el-tooltip
                  class="box-item"
                  effect="dark"
                  raw-content
                  content="去各大模型的官方 API 文档查询模型支持的最大上下文长度"
                  placement="right"
              >
                <el-icon>
                  <InfoFilled/>
                </el-icon>
              </el-tooltip>
            </div>
          </div>
        </el-form-item>

        <el-form-item label="创意度：" prop="temperature">
          <div class="tip-input">
            <el-input v-model="item.temperature" autocomplete="off" placeholder="模型创意度"/>
            <div class="info">
              <el-tooltip
                  class="box-item"
                  effect="dark"
                  content="OpenAI 0-2，其他模型 0-1"
                  placement="right"
              >
                <el-icon>
                  <InfoFilled/>
                </el-icon>
              </el-tooltip>
            </div>
          </div>
        </el-form-item>

        <el-form-item label="绑定API-KEY：" prop="apikey">
          <el-select v-model="item.key_id" placeholder="请选择 API KEY" filterable clearable>
            <el-option v-for="v in apiKeys" :value="v.id" :label="v.name" :key="v.id">
              {{ v.name }}
              <el-text type="info" size="small">{{ substr(v.api_url, 50) }}</el-text>
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="启用状态：" prop="enable">
          <el-switch v-model="item.enabled"/>
        </el-form-item>
        <el-form-item label="开放状态：" prop="open">
          <div class="tip-input">
            <el-switch v-model="item.open"/>
            <div class="info">
              <el-tooltip
                  class="box-item"
                  effect="dark"
                  raw-content
                  content="开放后，该模型将对所有用户可见。<br/> 如果模型没有启用，则当前设置无效。"
                  placement="right"
              >
                <el-icon>
                  <InfoFilled/>
                </el-icon>
              </el-tooltip>
            </div>
          </div>
        </el-form-item>
      </el-form>

      <template #footer>
            <span class="dialog-footer">
              <el-button @click="showDialog = false">取消</el-button>
              <el-button type="primary" @click="save">提交</el-button>
            </span>
      </template>
    </el-dialog>
  </div>
</template>

<script setup>
import {onMounted, onUnmounted, reactive, ref} from "vue";
import {httpGet, httpPost} from "@/utils/http";
import {ElMessage} from "element-plus";
import {dateFormat, removeArrayItem, substr} from "@/utils/libs";
import {DocumentCopy, InfoFilled, Plus,Search} from "@element-plus/icons-vue";
import {Sortable} from "sortablejs";
import ClipboardJS from "clipboard";
import Default from "md-editor-v3";

// 变量定义
const items = ref([])
const query = ref({name:''})
const item = ref({})
const showDialog = ref(false)
const title = ref("")
const rules = reactive({
  name: [{required: true, message: '请输入模型名称', trigger: 'change',}],
  value: [{required: true, message: '请输入模型值', trigger: 'change',}]
})
const loading = ref(true)
const formRef = ref(null)

// 获取 API KEY
const apiKeys = ref([])
httpGet('/api/admin/apikey/list?type=chat').then(res => {
  apiKeys.value = res.data
}).catch(e => {
  ElMessage.error("获取 API KEY 失败：" + e.message)
})

// 获取数据
const fetchData = () => {
  httpGet('/api/admin/model/list', query.value).then((res) => {
    if (res.data) {
      // 初始化数据
      const arr = res.data;
      for (let i = 0; i < arr.length; i++) {
        arr[i].last_used_at = dateFormat(arr[i].last_used_at)
      }
      items.value = arr
    }
    loading.value = false
  }).catch(() => {
    ElMessage.error("获取数据失败");
  })
}

const clipboard = ref(null)
onMounted(() => {
  fetchData()
  const drawBodyWrapper = document.querySelector('.el-table__body tbody')

  // 初始化拖动排序插件
  Sortable.create(drawBodyWrapper, {
    sort: true,
    animation: 500,
    onEnd({newIndex, oldIndex, from}) {
      if (oldIndex === newIndex) {
        return
      }

      const sortedData = Array.from(from.children).map(row => row.querySelector('.sort').getAttribute('data-id'));
      const ids = []
      const sorts = []
      sortedData.forEach((id, index) => {
        ids.push(parseInt(id))
        sorts.push(index + 1)
        items.value[index].sort_num = index + 1
      })

      httpPost("/api/admin/model/sort", {ids: ids, sorts: sorts}).then(() => {
      }).catch(e => {
        ElMessage.error("排序失败：" + e.message)
      })
    }
  })

  clipboard.value = new ClipboardJS('.copy-model');
  clipboard.value.on('success', () => {
    ElMessage.success('复制成功！');
  })

  clipboard.value.on('error', () => {
    ElMessage.error('复制失败！');
  })
})

onUnmounted(() => {
  clipboard.value.destroy()
})

const add = function () {
  title.value = "新增模型"
  showDialog.value = true
  item.value = {enabled: true, power: 1, open: true,max_tokens: 1024,max_context: 8192, temperature: 0.9,}
}

const edit = function (row) {
  title.value = "修改模型"
  showDialog.value = true
  item.value = row
}

const save = function () {
  formRef.value.validate((valid) => {
    item.value.temperature = parseFloat(item.value.temperature)
    if (!item.value.sort_num) {
      item.value.sort_num = items.value.length
    }
    if (valid) {
      showDialog.value = false
      item.value.key_id = parseInt(item.value.key_id)
      httpPost('/api/admin/model/save', item.value).then(() => {
        ElMessage.success('操作成功！')
        fetchData()
      }).catch((e) => {
        ElMessage.error('操作失败，' + e.message)
      })
    } else {
      return false
    }
  })
}

const modelSet = (filed, row) => {
  httpPost('/api/admin/model/set', {id: row.id, filed: filed, value: row[filed]}).then(() => {
    ElMessage.success("操作成功！")
  }).catch(e => {
    ElMessage.error("操作失败：" + e.message)
  })
}

const remove = function (row) {
  httpGet('/api/admin/model/remove?id=' + row.id).then(() => {
    ElMessage.success("删除成功！")
    items.value = removeArrayItem(items.value, row, (v1, v2) => {
      return v1.id === v2.id
    })
  }).catch((e) => {
    ElMessage.error("删除失败：" + e.message)
  })
}
</script>

<style lang="stylus" scoped>
@import "@/assets/css/admin/form.styl";
.model-list {

  .handle-box {
    margin-bottom 20px
    .handle-input {
      max-width 150px;
      margin-right 10px;
    }
  }

  .cell {
    .copy-model {
      margin-left 6px
      cursor pointer
    }
  }

  .cell {
    .copy-model {
      margin-left 6px
      cursor pointer
    }
  }

  .el-select {
    width: 100%
  }

  .sort {
    cursor move
    .iconfont {
      position relative
      top 1px
    }
  }

  .pagination {
    padding 20px 0
    display flex
    justify-content right
  }

}
</style>